logo bottom.gif (2547 bytes) VGA Baluns

 

Part Number:  BLN-VGAPCS
DB15 HD Plug
Connects to VGA Output of PC, 6" Lead

Part Number:  BLN-VGAMS
DB15 HD Receptacle
Connects to VGA Monitor Input

 

Specifications

Environment

VGA.  VESA VP&D 1.0, VIP ver 2.0

Devices

CRT & flat-screen LCD monitors, plasma screens, laptops, PCs, multimedia projectors.

Transmission

Transparent to the user.

Bandwidth

DC to 60MHz

Input Signals

Video: 1.1Vp-p
Horizontal sync: TTL standard. 300Hz max. bandwidth
Vertical sync: TTL standard. 300kHZ max. bandwidth

Insertion Loss

Less than 3dB per pair over the frequency range.

Common Mode Rejection (CMMR)

15kHz – 60dB max. 100kHz to 10MHz – 40dB max. 100MHz – 20dB max.

Video Signal Return Loss

-15dB max. from DC to 60MHz

Video Differential Gain

+/- 2%

Video Differential Phase

+/- 2%

Connectors

RJ45 shielded
BLN-VGAPCS: DB15 HD Plug (Connects to VGA output of PC), 6” lead
BLN-VGAMS: DB15 HD Receptacle (Connects to VGA monitor input)

Max. Distance via Cat 5 Twisted Pair

VGA: 640 x 480 pixels (15MHz) 450 ft. (137m)
SVGA: 800 x 600 pixels (30MHz) 350 ft. (107m)
XGA: 1024 x 768 pixels (60MHz) 250 ft. (76m)
SXGA: 1280 x 1024 pixels (100MHz) 200 ft. (61m)

RJ45 Pin Configuration
Reverse Polarity Sensitive

R Video (red) Pin 1 (+) Pin 2 (-) Balanced
G Video (green) Pin 4 (+) Pin 5 (-) Balanced
B Video (blue) Pin 7 (+) Pin 8 (-) Balanced
Horizontal Sync: Pin 3 Vertical Sync: Pin 6 Horiz. & Vert. Sync Return:
STP cable: Shield. UTP cable: Not connected +5VDC Not connected
IDO Not connected - SDA Not connected - SCL Not connected

Cable

Cat 5 shielded twisted pair (STP) is recommended. Unshielded twisted pair (UTP) may be used when there is full signal ground continuity between the VGA source & the VGA display.

Impedance

Input: RGB 75 Ohms (DB15 HD) Unbalanced Output: RGB 100 Ohms (RJ45 shielded) Balanced Horizontal & vertical sync: TTL standard

Temperature

Operating: 0 to 55 C. Storage: -20 to 85 C. Humidity: up to 95% non-cond.

Enclosure

ABS fire retardant plastic

Dimensions

1.93” x 1.69” x 0.84” (49.2 x 43.0 x 21.5mm) plus 6” cable lead for video

Mounting

Free-standing. Separate Velcro mounting pad included

 
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920A River Street
Kennedy Industrial Park
Windsor, CT 06095

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Tel: 860-683-0392
Fax: 860-683-0396
Copyright © 1999 Gem Electronics
Last modified: May 12, 2004